Turkish President Tayyip Erdogan said on Tuesday the country's military operation in northwest Syria'S Idlib province was largely completed but the neighbouring region of Afrin, controlled by a Kurdish militia, remained an issue.

(reuters) -- Turkey's army began setting up observation posts in Idlib this month under a deal with Russia and Iran to reduce fighting between insurgents and the Syrian government, but the deployment was also seen partly aimed at containing the YPG militia.